Toshiba RAS-M18SAH-E - 4 Refrigerant Cycle Diagrams

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4. REFRIGERANT CYCLE DIAGRAMS
RAS-10SKH-E-1 x 2 / RAS-M18SAH-E
Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor.)
*
1 • During heating overload, the high temperature limit control operation is included.
Surface temp. of heat
exchanger interchanging
pipe T1 (°C)
10SKH-E-1
40,0
52,0 ~ 59,0
35,0
12,0
15,0
2,0
Standard pressure
P
(kg/cm²G)
10SKH-E-1
15,0
19 ~ 23
12,5
6,0
6,5
4,0
Heating
Cooling
Ambient temp.
conditions DB/WB
(°C)
Fan speed
(indoor)
High
Low
High
High
High
Low
Indoor
20/–
27/–
20/–
27/19
32/23
21/15
Outdoor
7/6
21/15
–10/–10
35/24
43/26
21/15
50Hz
Standard
High temperature
*
1
Low temperature
Standard
High temperature
Low temperature
4-way valve
Accumulator
PH120T1-4C
Cooling
Heating
Dryer
Capillary
for heating
ø1,7x300
Capillary
for cooling & heating
ø1,7x800
Outdoor heat exchanger
Outdoor Unit
Packed valve Packed valve
(3/8) (1/4)
Indoor heat exchanger A
Indoor Unit
Check
valve
CompressorCompressor
PH120T1-4C
Indoor heat exchanger B
T1
P